Dongjin Lee created KAFKA-10604:
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Summary: The StreamsConfig.STATE_DIR_CONFIG's default value does
not reflect the JVM parameter or OS-specific settings
Key: KAFKA-10604
URL: https://issues.apache.org/jira/browse/KAFKA-10604
Project: Kafka
Issue Type: Improvement
Components: streams
Reporter: Dongjin Lee
Assignee: Dongjin Lee
I found this problem working for
[KAFKA-10585|https://issues.apache.org/jira/browse/KAFKA-10585].
The JVM's temporary directory location is different per OS, and JVM allows to
change it with `java.io.tmpdir` system property. In Linux, it defaults to
`/tmp`.
The problem is the default value of StreamsConfig.STATE_DIR_CONFIG
(`state.dir`) is fixed to `/tmp/kafka-streams`. For this reason, it does not
change if the runs on OS other than Linux or the user specifies
`java.io.tmpdir` system property.
It should be `\{temp-directory}/kafka-streams`, not `/tmp/kafka-streams`.
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